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Date: Thu, 14 Jan 2021 20:58:44 +0800
From: kernel test robot <lkp@...el.com>
To: Viresh Kumar <viresh.kumar@...aro.org>,
Alexander Viro <viro@...iv.linux.org.uk>
Cc: kbuild-all@...ts.01.org, Viresh Kumar <viresh.kumar@...aro.org>,
Vincent Guittot <vincent.guittot@...aro.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Memory Management List <linux-mm@...ck.org>,
Arnd Bergmann <arnd@...db.de>, Christoph Hellwig <hch@....de>,
linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V1 resend] dcookies: Make dcookies depend on
CONFIG_OPROFILE
Hi Viresh,
I love your patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v5.11-rc3 next-20210114]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Viresh-Kumar/dcookies-Make-dcookies-depend-on-CONFIG_OPROFILE/20210111-140734
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 7c53f6b671f4aba70ff15e1b05148b10d58c2837
config: x86_64-rhel (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/d48f031313d175610c430e9f04c3b6974e3fd3e2
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Viresh-Kumar/dcookies-Make-dcookies-depend-on-CONFIG_OPROFILE/20210111-140734
git checkout d48f031313d175610c430e9f04c3b6974e3fd3e2
# save the attached .config to linux build tree
make W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
>> fs/dcookies.c:117:5: error: redefinition of 'get_dcookie'
117 | int get_dcookie(const struct path *path, unsigned long *cookie)
| ^~~~~~~~~~~
In file included from fs/dcookies.c:26:
include/linux/dcookies.h:62:19: note: previous definition of 'get_dcookie' was here
62 | static inline int get_dcookie(const struct path *path, unsigned long *cookie)
| ^~~~~~~~~~~
>> fs/dcookies.c:316:23: error: redefinition of 'dcookie_register'
316 | struct dcookie_user * dcookie_register(void)
| ^~~~~~~~~~~~~~~~
In file included from fs/dcookies.c:26:
include/linux/dcookies.h:52:37: note: previous definition of 'dcookie_register' was here
52 | static inline struct dcookie_user * dcookie_register(void)
| ^~~~~~~~~~~~~~~~
>> fs/dcookies.c:341:6: error: redefinition of 'dcookie_unregister'
341 | void dcookie_unregister(struct dcookie_user * user)
| ^~~~~~~~~~~~~~~~~~
In file included from fs/dcookies.c:26:
include/linux/dcookies.h:57:20: note: previous definition of 'dcookie_unregister' was here
57 | static inline void dcookie_unregister(struct dcookie_user * user)
| ^~~~~~~~~~~~~~~~~~
vim +/get_dcookie +117 fs/dcookies.c
^1da177e4c3f4152 Linus Torvalds 2005-04-16 112
^1da177e4c3f4152 Linus Torvalds 2005-04-16 113
^1da177e4c3f4152 Linus Torvalds 2005-04-16 114 /* This is the main kernel-side routine that retrieves the cookie
^1da177e4c3f4152 Linus Torvalds 2005-04-16 115 * value for a dentry/vfsmnt pair.
^1da177e4c3f4152 Linus Torvalds 2005-04-16 116 */
71215a75ceddf38b Al Viro 2016-11-20 @117 int get_dcookie(const struct path *path, unsigned long *cookie)
^1da177e4c3f4152 Linus Torvalds 2005-04-16 118 {
^1da177e4c3f4152 Linus Torvalds 2005-04-16 119 int err = 0;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 120 struct dcookie_struct * dcs;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 121
353ab6e97b8f209d Ingo Molnar 2006-03-26 122 mutex_lock(&dcookie_mutex);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 123
^1da177e4c3f4152 Linus Torvalds 2005-04-16 124 if (!is_live()) {
^1da177e4c3f4152 Linus Torvalds 2005-04-16 125 err = -EINVAL;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 126 goto out;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 127 }
^1da177e4c3f4152 Linus Torvalds 2005-04-16 128
c2452f32786159ed Nick Piggin 2008-12-01 129 if (path->dentry->d_flags & DCACHE_COOKIE) {
c2452f32786159ed Nick Piggin 2008-12-01 130 dcs = find_dcookie((unsigned long)path->dentry);
c2452f32786159ed Nick Piggin 2008-12-01 131 } else {
448678a0f3cdd015 Jan Blunck 2008-02-14 132 dcs = alloc_dcookie(path);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 133 if (!dcs) {
^1da177e4c3f4152 Linus Torvalds 2005-04-16 134 err = -ENOMEM;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 135 goto out;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 136 }
c2452f32786159ed Nick Piggin 2008-12-01 137 }
^1da177e4c3f4152 Linus Torvalds 2005-04-16 138
^1da177e4c3f4152 Linus Torvalds 2005-04-16 139 *cookie = dcookie_value(dcs);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 140
^1da177e4c3f4152 Linus Torvalds 2005-04-16 141 out:
353ab6e97b8f209d Ingo Molnar 2006-03-26 142 mutex_unlock(&dcookie_mutex);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 143 return err;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 144 }
^1da177e4c3f4152 Linus Torvalds 2005-04-16 145
^1da177e4c3f4152 Linus Torvalds 2005-04-16 146
^1da177e4c3f4152 Linus Torvalds 2005-04-16 147 /* And here is where the userspace process can look up the cookie value
^1da177e4c3f4152 Linus Torvalds 2005-04-16 148 * to retrieve the path.
^1da177e4c3f4152 Linus Torvalds 2005-04-16 149 */
98e5f7bd2c67f402 Dominik Brodowski 2018-03-17 150 static int do_lookup_dcookie(u64 cookie64, char __user *buf, size_t len)
^1da177e4c3f4152 Linus Torvalds 2005-04-16 151 {
^1da177e4c3f4152 Linus Torvalds 2005-04-16 152 unsigned long cookie = (unsigned long)cookie64;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 153 int err = -EINVAL;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 154 char * kbuf;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 155 char * path;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 156 size_t pathlen;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 157 struct dcookie_struct * dcs;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 158
^1da177e4c3f4152 Linus Torvalds 2005-04-16 159 /* we could leak path information to users
^1da177e4c3f4152 Linus Torvalds 2005-04-16 160 * without dir read permission without this
^1da177e4c3f4152 Linus Torvalds 2005-04-16 161 */
^1da177e4c3f4152 Linus Torvalds 2005-04-16 162 if (!capable(CAP_SYS_ADMIN))
^1da177e4c3f4152 Linus Torvalds 2005-04-16 163 return -EPERM;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 164
353ab6e97b8f209d Ingo Molnar 2006-03-26 165 mutex_lock(&dcookie_mutex);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 166
^1da177e4c3f4152 Linus Torvalds 2005-04-16 167 if (!is_live()) {
^1da177e4c3f4152 Linus Torvalds 2005-04-16 168 err = -EINVAL;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 169 goto out;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 170 }
^1da177e4c3f4152 Linus Torvalds 2005-04-16 171
^1da177e4c3f4152 Linus Torvalds 2005-04-16 172 if (!(dcs = find_dcookie(cookie)))
^1da177e4c3f4152 Linus Torvalds 2005-04-16 173 goto out;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 174
^1da177e4c3f4152 Linus Torvalds 2005-04-16 175 err = -ENOMEM;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 176 kbuf = kmalloc(PAGE_SIZE, GFP_KERNEL);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 177 if (!kbuf)
^1da177e4c3f4152 Linus Torvalds 2005-04-16 178 goto out;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 179
^1da177e4c3f4152 Linus Torvalds 2005-04-16 180 /* FIXME: (deleted) ? */
cf28b4863f9ee8f1 Jan Blunck 2008-02-14 181 path = d_path(&dcs->path, kbuf, PAGE_SIZE);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 182
fe47ae7f53e179d2 Robert Richter 2011-05-31 183 mutex_unlock(&dcookie_mutex);
fe47ae7f53e179d2 Robert Richter 2011-05-31 184
^1da177e4c3f4152 Linus Torvalds 2005-04-16 185 if (IS_ERR(path)) {
^1da177e4c3f4152 Linus Torvalds 2005-04-16 186 err = PTR_ERR(path);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 187 goto out_free;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 188 }
^1da177e4c3f4152 Linus Torvalds 2005-04-16 189
^1da177e4c3f4152 Linus Torvalds 2005-04-16 190 err = -ERANGE;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 191
^1da177e4c3f4152 Linus Torvalds 2005-04-16 192 pathlen = kbuf + PAGE_SIZE - path;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 193 if (pathlen <= len) {
^1da177e4c3f4152 Linus Torvalds 2005-04-16 194 err = pathlen;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 195 if (copy_to_user(buf, path, pathlen))
^1da177e4c3f4152 Linus Torvalds 2005-04-16 196 err = -EFAULT;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 197 }
^1da177e4c3f4152 Linus Torvalds 2005-04-16 198
^1da177e4c3f4152 Linus Torvalds 2005-04-16 199 out_free:
^1da177e4c3f4152 Linus Torvalds 2005-04-16 200 kfree(kbuf);
fe47ae7f53e179d2 Robert Richter 2011-05-31 201 return err;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 202 out:
353ab6e97b8f209d Ingo Molnar 2006-03-26 203 mutex_unlock(&dcookie_mutex);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 204 return err;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 205 }
^1da177e4c3f4152 Linus Torvalds 2005-04-16 206
98e5f7bd2c67f402 Dominik Brodowski 2018-03-17 207 SYSCALL_DEFINE3(lookup_dcookie, u64, cookie64, char __user *, buf, size_t, len)
98e5f7bd2c67f402 Dominik Brodowski 2018-03-17 208 {
98e5f7bd2c67f402 Dominik Brodowski 2018-03-17 209 return do_lookup_dcookie(cookie64, buf, len);
98e5f7bd2c67f402 Dominik Brodowski 2018-03-17 210 }
98e5f7bd2c67f402 Dominik Brodowski 2018-03-17 211
d5dc77bfeeab0b03 Al Viro 2013-02-25 212 #ifdef CONFIG_COMPAT
d8d14bd09cddbaf0 Heiko Carstens 2014-01-29 213 COMPAT_SYSCALL_DEFINE4(lookup_dcookie, u32, w0, u32, w1, char __user *, buf, compat_size_t, len)
d5dc77bfeeab0b03 Al Viro 2013-02-25 214 {
d5dc77bfeeab0b03 Al Viro 2013-02-25 215 #ifdef __BIG_ENDIAN
98e5f7bd2c67f402 Dominik Brodowski 2018-03-17 216 return do_lookup_dcookie(((u64)w0 << 32) | w1, buf, len);
d5dc77bfeeab0b03 Al Viro 2013-02-25 217 #else
98e5f7bd2c67f402 Dominik Brodowski 2018-03-17 218 return do_lookup_dcookie(((u64)w1 << 32) | w0, buf, len);
d5dc77bfeeab0b03 Al Viro 2013-02-25 219 #endif
d5dc77bfeeab0b03 Al Viro 2013-02-25 220 }
d5dc77bfeeab0b03 Al Viro 2013-02-25 221 #endif
d5dc77bfeeab0b03 Al Viro 2013-02-25 222
^1da177e4c3f4152 Linus Torvalds 2005-04-16 223 static int dcookie_init(void)
^1da177e4c3f4152 Linus Torvalds 2005-04-16 224 {
^1da177e4c3f4152 Linus Torvalds 2005-04-16 225 struct list_head * d;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 226 unsigned int i, hash_bits;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 227 int err = -ENOMEM;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 228
^1da177e4c3f4152 Linus Torvalds 2005-04-16 229 dcookie_cache = kmem_cache_create("dcookie_cache",
^1da177e4c3f4152 Linus Torvalds 2005-04-16 230 sizeof(struct dcookie_struct),
20c2df83d25c6a95 Paul Mundt 2007-07-20 231 0, 0, NULL);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 232
^1da177e4c3f4152 Linus Torvalds 2005-04-16 233 if (!dcookie_cache)
^1da177e4c3f4152 Linus Torvalds 2005-04-16 234 goto out;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 235
^1da177e4c3f4152 Linus Torvalds 2005-04-16 236 dcookie_hashtable = kmalloc(PAGE_SIZE, GFP_KERNEL);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 237 if (!dcookie_hashtable)
^1da177e4c3f4152 Linus Torvalds 2005-04-16 238 goto out_kmem;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 239
^1da177e4c3f4152 Linus Torvalds 2005-04-16 240 err = 0;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 241
^1da177e4c3f4152 Linus Torvalds 2005-04-16 242 /*
^1da177e4c3f4152 Linus Torvalds 2005-04-16 243 * Find the power-of-two list-heads that can fit into the allocation..
^1da177e4c3f4152 Linus Torvalds 2005-04-16 244 * We don't guarantee that "sizeof(struct list_head)" is necessarily
^1da177e4c3f4152 Linus Torvalds 2005-04-16 245 * a power-of-two.
^1da177e4c3f4152 Linus Torvalds 2005-04-16 246 */
^1da177e4c3f4152 Linus Torvalds 2005-04-16 247 hash_size = PAGE_SIZE / sizeof(struct list_head);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 248 hash_bits = 0;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 249 do {
^1da177e4c3f4152 Linus Torvalds 2005-04-16 250 hash_bits++;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 251 } while ((hash_size >> hash_bits) != 0);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 252 hash_bits--;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 253
^1da177e4c3f4152 Linus Torvalds 2005-04-16 254 /*
^1da177e4c3f4152 Linus Torvalds 2005-04-16 255 * Re-calculate the actual number of entries and the mask
^1da177e4c3f4152 Linus Torvalds 2005-04-16 256 * from the number of bits we can fit.
^1da177e4c3f4152 Linus Torvalds 2005-04-16 257 */
^1da177e4c3f4152 Linus Torvalds 2005-04-16 258 hash_size = 1UL << hash_bits;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 259
^1da177e4c3f4152 Linus Torvalds 2005-04-16 260 /* And initialize the newly allocated array */
^1da177e4c3f4152 Linus Torvalds 2005-04-16 261 d = dcookie_hashtable;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 262 i = hash_size;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 263 do {
^1da177e4c3f4152 Linus Torvalds 2005-04-16 264 INIT_LIST_HEAD(d);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 265 d++;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 266 i--;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 267 } while (i);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 268
^1da177e4c3f4152 Linus Torvalds 2005-04-16 269 out:
^1da177e4c3f4152 Linus Torvalds 2005-04-16 270 return err;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 271 out_kmem:
^1da177e4c3f4152 Linus Torvalds 2005-04-16 272 kmem_cache_destroy(dcookie_cache);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 273 goto out;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 274 }
^1da177e4c3f4152 Linus Torvalds 2005-04-16 275
^1da177e4c3f4152 Linus Torvalds 2005-04-16 276
^1da177e4c3f4152 Linus Torvalds 2005-04-16 277 static void free_dcookie(struct dcookie_struct * dcs)
^1da177e4c3f4152 Linus Torvalds 2005-04-16 278 {
c2452f32786159ed Nick Piggin 2008-12-01 279 struct dentry *d = dcs->path.dentry;
c2452f32786159ed Nick Piggin 2008-12-01 280
c2452f32786159ed Nick Piggin 2008-12-01 281 spin_lock(&d->d_lock);
c2452f32786159ed Nick Piggin 2008-12-01 282 d->d_flags &= ~DCACHE_COOKIE;
c2452f32786159ed Nick Piggin 2008-12-01 283 spin_unlock(&d->d_lock);
c2452f32786159ed Nick Piggin 2008-12-01 284
448678a0f3cdd015 Jan Blunck 2008-02-14 285 path_put(&dcs->path);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 286 kmem_cache_free(dcookie_cache, dcs);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 287 }
^1da177e4c3f4152 Linus Torvalds 2005-04-16 288
^1da177e4c3f4152 Linus Torvalds 2005-04-16 289
^1da177e4c3f4152 Linus Torvalds 2005-04-16 290 static void dcookie_exit(void)
^1da177e4c3f4152 Linus Torvalds 2005-04-16 291 {
^1da177e4c3f4152 Linus Torvalds 2005-04-16 292 struct list_head * list;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 293 struct list_head * pos;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 294 struct list_head * pos2;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 295 struct dcookie_struct * dcs;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 296 size_t i;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 297
^1da177e4c3f4152 Linus Torvalds 2005-04-16 298 for (i = 0; i < hash_size; ++i) {
^1da177e4c3f4152 Linus Torvalds 2005-04-16 299 list = dcookie_hashtable + i;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 300 list_for_each_safe(pos, pos2, list) {
^1da177e4c3f4152 Linus Torvalds 2005-04-16 301 dcs = list_entry(pos, struct dcookie_struct, hash_list);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 302 list_del(&dcs->hash_list);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 303 free_dcookie(dcs);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 304 }
^1da177e4c3f4152 Linus Torvalds 2005-04-16 305 }
^1da177e4c3f4152 Linus Torvalds 2005-04-16 306
^1da177e4c3f4152 Linus Torvalds 2005-04-16 307 kfree(dcookie_hashtable);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 308 kmem_cache_destroy(dcookie_cache);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 309 }
^1da177e4c3f4152 Linus Torvalds 2005-04-16 310
^1da177e4c3f4152 Linus Torvalds 2005-04-16 311
^1da177e4c3f4152 Linus Torvalds 2005-04-16 312 struct dcookie_user {
^1da177e4c3f4152 Linus Torvalds 2005-04-16 313 struct list_head next;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 314 };
^1da177e4c3f4152 Linus Torvalds 2005-04-16 315
^1da177e4c3f4152 Linus Torvalds 2005-04-16 @316 struct dcookie_user * dcookie_register(void)
^1da177e4c3f4152 Linus Torvalds 2005-04-16 317 {
^1da177e4c3f4152 Linus Torvalds 2005-04-16 318 struct dcookie_user * user;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 319
353ab6e97b8f209d Ingo Molnar 2006-03-26 320 mutex_lock(&dcookie_mutex);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 321
^1da177e4c3f4152 Linus Torvalds 2005-04-16 322 user = kmalloc(sizeof(struct dcookie_user), GFP_KERNEL);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 323 if (!user)
^1da177e4c3f4152 Linus Torvalds 2005-04-16 324 goto out;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 325
^1da177e4c3f4152 Linus Torvalds 2005-04-16 326 if (!is_live() && dcookie_init())
^1da177e4c3f4152 Linus Torvalds 2005-04-16 327 goto out_free;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 328
^1da177e4c3f4152 Linus Torvalds 2005-04-16 329 list_add(&user->next, &dcookie_users);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 330
^1da177e4c3f4152 Linus Torvalds 2005-04-16 331 out:
353ab6e97b8f209d Ingo Molnar 2006-03-26 332 mutex_unlock(&dcookie_mutex);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 333 return user;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 334 out_free:
^1da177e4c3f4152 Linus Torvalds 2005-04-16 335 kfree(user);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 336 user = NULL;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 337 goto out;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 338 }
^1da177e4c3f4152 Linus Torvalds 2005-04-16 339
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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