On Mon, 7 Oct 2013 14:42:55 -0700, Zach Brown wrote:
> Check for fopen() failure. This shows up in static analysis as a
> possible null pointer derference.
>
> Signed-off-by: Zach Brown <[email protected]>
> ---
> cmds-send.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/cmds-send.c b/cmds-send.c
> index 374d040..5f6ff86 100644
> --- a/cmds-send.c
> +++ b/cmds-send.c
> @@ -72,6 +72,11 @@ int find_mount_root(const char *path, char **mount_root)
> close(fd);
>
> mnttab = fopen("/proc/mounts", "r");
> + if (!mnttab) {
> + close(fd);
> + return -errno;
close() can modify errno.
And close(fd) is already called 4 lines above. You didn't run the static
code analysis again after applying your patch :)
> + }
> +
> while ((ent = getmntent(mnttab))) {
> len = strlen(ent->mnt_dir);
> if (strncmp(ent->mnt_dir, path, len) == 0) {
>
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
