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file_utils: surface ENOENT when falling back to openat()

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Link: https://discuss.linuxcontainers.org/t/error-failed-to-retrieve-pid-of-executing-child-process
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This commit is contained in:
Christian Brauner 2021-07-08 14:49:26 +02:00
parent 78598e2b30
commit ebb79ad32a
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1 changed files with 5 additions and 1 deletions
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6
src/lxc/file_utils.c
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@ -663,7 +663,11 @@ int open_at(int dfd, const char *path, unsigned int o_flags,
if (errno != ENOSYS)
return -errno;
return openat(dfd, path, o_flags, mode);
fd = openat(dfd, path, o_flags, mode);
if (fd < 0)
return -errno;
return move_fd(fd);
}
int fd_make_nonblocking(int fd)