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Message-ID: <5387712B.1060009@redhat.com>
Date:	Thu, 29 May 2014 12:40:59 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	ext4 development <linux-ext4@...r.kernel.org>
CC:	Andreas Dilger <adilger@...ger.ca>
Subject: [PATCH V2] filefrag: fix issues with 29758d2

29758d2 filefrag: exit with error code if an error is hit

introduced a couple errors; in one case it missed returning
a value, and in the other used a test where it needed an
assignment.

Also fix a precedence problem with:

	if (fe_flags & mask == 0)

which is equivalent to:

	if (fe_flags & (mask == 0))

but we need:

	if ((fe_flags & mask) == 0)

Signed-off-by: Eric Sandeen <sandeen@...hat.com>
---

diff --git a/misc/filefrag.c b/misc/filefrag.c
index 37c4416..1d05f47 100644
--- a/misc/filefrag.c
+++ b/misc/filefrag.c
@@ -175,7 +175,7 @@ static void print_extent_info(struct fiemap_extent *fm_extent, int cur_ex,
 	for (mask = 1; fe_flags != 0 && mask != 0; mask <<= 1) {
 		char hex[6];
 
-		if (fe_flags & mask == 0)
+		if ((fe_flags & mask) == 0)
 			continue;
 		sprintf(hex, "%#04x,", mask);
 		print_flag(&fe_flags, mask, flags, hex);
@@ -387,8 +387,9 @@ static int frag_report(const char *filename)
 	if (last_device != st.st_dev) {
 		if (fstatfs(fd, &fsinfo) < 0) {
 			close(fd);
+			rc = -errno;
 			perror("fstatfs");
-			return;
+			return rc;
 		}
 		if (verbose)
 			printf("Filesystem type is: %lx\n",
@@ -556,7 +557,7 @@ int main(int argc, char**argv)
 		int rc2 = frag_report(*cpp);
 
 		if (rc2 < 0 && rc == 0)
-			rc == rc2;
+			rc = rc2;
 	}
 
 	return rc;

--
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