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pie: don't use pr_perror in pie code

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pr_perror uses errno, which is set by glibc wrappers.
In pi return codes of syscalls should be printed

Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Andrey Vagin
2013-08-30 16:44:16 +04:00
committed by Pavel Emelyanov
parent 6201096cea
commit cb648fb934
1 changed files with 8 additions and 6 deletions
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14
pie/util.c
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@@ -13,19 +13,21 @@
int open_detach_mount(char *dir) int open_detach_mount(char *dir)
{ {
int fd; int fd, ret;
fd = sys_open(dir, O_RDONLY | O_DIRECTORY, 0); fd = sys_open(dir, O_RDONLY | O_DIRECTORY, 0);
if (fd < 0) if (fd < 0)
pr_perror("Can't open directory"); pr_err("Can't open directory %s: %d\n", dir, fd);
if (sys_umount2(dir, MNT_DETACH)) { ret = sys_umount2(dir, MNT_DETACH);
pr_perror("Can't detach mount"); if (ret) {
pr_perror("Can't detach mount %s: %d\n", dir, ret);
goto err_close; goto err_close;
} }
if (sys_rmdir(dir)) { ret = sys_rmdir(dir);
pr_perror("Can't remove tmp dir"); if (ret) {
pr_perror("Can't remove tmp dir %s: %d\n", dir, ret);
goto err_close; goto err_close;
} }