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uml: cow_user.c warning corrections

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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>
This commit is contained in:
Vitaliy Ivanov 2011-07-25 17:12:50 -07:00 committed by Linus Torvalds
parent fbee8d933c
commit 7a99ae7c57
1 changed files with 5 additions and 1 deletions
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6
arch/um/drivers/cow_user.c
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@ -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;
}