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fs: errno should be set correctly before the end of functions 

Otherwise we end up with errno not being set correctly
if a filesystem driver uses the standard open/close/read/write
functions to access its backing store.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2011-03-16 09:00:36 +01:00
parent c8df17c05f
commit 019e12210d
1 changed files with 3 additions and 2 deletions
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5
fs/fs.c
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@ -292,8 +292,6 @@ static int path_check_prereq(const char *path, unsigned int flags)
struct stat s;
unsigned int m;
errno = 0;
if (stat(path, &s)) {
if (flags & S_UB_DOES_NOT_EXIST)
return 0;
@ -325,6 +323,8 @@ static int path_check_prereq(const char *path, unsigned int flags)
errno = -ENOTDIR;
goto out;
}
errno = 0;
out:
return errno;
}
@ -800,6 +800,7 @@ int mount(const char *device, const char *fsname, const char *_path)
e = e->next;
e->next = entry;
}
errno = 0;
out:
free(path);
return errno;