diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2016-08-03 12:55:49 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2016-08-03 12:55:49 +0200 |
| commit | 4a89cf810130fde41e3fc729e770cb1a5a87d245 (patch) | |
| tree | 84da40f8d26e51c21e61fc4fc5b7242c0050ae7d /mm/shmem.c | |
| parent | 4f53989b0652ffe2605221c81ca8ffcfc90aed2a (diff) | |
| parent | e9cbf6299e306d6f2ff7b8fe7ac66059191b182f (diff) | |
Merge branch '4.7-fixes' into mips-for-linux-next
Diffstat (limited to 'mm/shmem.c')
| -rw-r--r-- | mm/shmem.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index 24463b67b6ef..171dee7a131f 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -2225,9 +2225,11 @@ static long shmem_fallocate(struct file *file, int mode, loff_t offset, error = shmem_getpage(inode, index, &page, SGP_FALLOC); if (error) { /* Remove the !PageUptodate pages we added */ - shmem_undo_range(inode, - (loff_t)start << PAGE_SHIFT, - ((loff_t)index << PAGE_SHIFT) - 1, true); + if (index > start) { + shmem_undo_range(inode, + (loff_t)start << PAGE_SHIFT, + ((loff_t)index << PAGE_SHIFT) - 1, true); + } goto undone; } |