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authorVitaliy Ivanov <vitalivanov@gmail.com>2011-07-25 17:12:50 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-25 20:57:13 -0700
commit7a99ae7c57d2de5cad9562bed32addf064521116 (patch)
tree48d3f4c0cd2233a58b5f75a32d38c40bf326e964
parentfbee8d933c775cdb9daac3063659cda38c1776c2 (diff)
uml: cow_user.c warning corrections
Fix this warning: arch/um/drivers/cow_user.c: In function `absolutize': arch/um/drivers/cow_user.c:189:7: warning: ignoring return value of `chdir', declared with attribute warn_unused_result [richard@nod.at: happens only with -D_FORTIFY_SOURCE=2] Signed-off-by: Vitaliy Ivanov <vitalivanov@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/um/drivers/cow_user.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/um/drivers/cow_user.c b/arch/um/drivers/cow_user.c
index 93f227a25ba4..9cbb426c0b91 100644
--- a/arch/um/drivers/cow_user.c
+++ b/arch/um/drivers/cow_user.c
@@ -186,7 +186,11 @@ static int absolutize(char *to, int size, char *from)
strcat(to, "/");
strcat(to, from);
}
- chdir(save_cwd);
+ if (chdir(save_cwd)) {
+ cow_printf("absolutize : Can't cd to '%s' - "
+ "errno = %d\n", save_cwd, errno);
+ return -1;
+ }
return 0;
}