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Date: Thu, 11 Oct 2012 11:32:17 +0100 From: Andy Whitcroft <apw@...onical.com> To: Matthew Garrett <mjg@...hat.com>, Jeremy Kerr <jeremy.kerr@...onical.com> Cc: Andy Whitcroft <apw@...onical.com>, Matt Fleming <matt.fleming@...el.com>, linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH 1/5] efivarfs: efivarfs_file_read ensure we free data in error paths Signed-off-by: Andy Whitcroft <apw@...onical.com> --- drivers/firmware/efivars.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c index 4b12a8fd..ae50d2f 100644 --- a/drivers/firmware/efivars.c +++ b/drivers/firmware/efivars.c @@ -766,7 +766,7 @@ static ssize_t efivarfs_file_read(struct file *file, char __user *userbuf, unsigned long datasize = 0; u32 attributes; void *data; - ssize_t size; + ssize_t size = 0; status = efivars->ops->get_variable(var->var.VariableName, &var->var.VendorGuid, @@ -784,13 +784,13 @@ static ssize_t efivarfs_file_read(struct file *file, char __user *userbuf, &var->var.VendorGuid, &attributes, &datasize, (data + 4)); - if (status != EFI_SUCCESS) - return 0; + goto out_free; memcpy(data, &attributes, 4); size = simple_read_from_buffer(userbuf, count, ppos, data, datasize + 4); +out_free: kfree(data); return size; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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