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makedevs: Do not return error if the fifo exisits 

This ensures that makedevs will not cause image creation failures
when it encounters a pipe (fifo) that exists from a previous image.
This handles mode changes and it will correctly fail for dangling
symlinks.

[YOCTO #5288]

(From OE-Core rev: 3a4b0e7973bef43f16058137e64600e2f890b117)

Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Saul Wold 2013-10-01 16:57:52 +00:00 committed by Richard Purdie
parent d80472c4e3
commit b618f74d6e
1 changed files with 14 additions and 2 deletions
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16
meta/recipes-devtools/makedevs/makedevs-1.0.0/makedevs.c
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@ -274,8 +274,20 @@ static void add_new_file(char *name, char *path, unsigned long uid,
static void add_new_fifo(char *name, char *path, unsigned long uid,
unsigned long gid, unsigned long mode)
{
if (mknod(path, mode, 0))
error_msg_and_die("%s: file can not be created with mknod!", path);
int status;
struct stat sb;
memset(&sb, 0, sizeof(struct stat));
status = stat(path, &sb);
/* Update the mode if we exist and are a fifo already */
if (status >= 0 && S_ISFIFO(sb.st_mode)) {
chmod(path, mode);
} else {
if (mknod(path, mode, 0))
error_msg_and_die("%s: file can not be created with mknod!", path);
}
chown(path, uid, gid);
// printf("File: %s %s UID: %ld GID: %ld MODE: %04lo\n",
// path, name, gid, uid, mode);