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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-06-09 22:01:36 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-06-09 22:01:36 +0300 |
| commit | d60dafdca4b463405e5586df923f05b10e9ac2f9 (patch) | |
| tree | eb87cb614a64615eb0a1a0e32f62ad28e705e68c /drivers/md/raid10.c | |
| parent | 1329c20433fb1298dd0bf94b59c1a11f27a1f2e2 (diff) | |
| parent | 5a409b4f56d50b212334f338cb8465d65550cd85 (diff) | |
| download | linux-d60dafdca4b463405e5586df923f05b10e9ac2f9.tar.xz | |
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
Pull MD updates from Shaohua Li:
"A few fixes of MD for this merge window. Mostly bug fixes:
- raid5 stripe batch fix from Amy
- Read error handling for raid1 FailFast device from Gioh
- raid10 recovery NULL pointer dereference fix from Guoqing
- Support write hint for raid5 stripe cache from Mariusz
- Fixes for device hot add/remove from Neil and Yufen
- Improve flush bio scalability from Xiao"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
MD: fix lock contention for flush bios
md/raid5: Assigning NULL to sh->batch_head before testing bit R5_Overlap of a stripe
md/raid1: add error handling of read error from FailFast device
md: fix NULL dereference of mddev->pers in remove_and_add_spares()
raid5: copy write hint from origin bio to stripe
md: fix two problems with setting the "re-add" device state.
raid10: check bio in r10buf_pool_free to void NULL pointer dereference
md: fix an error code format and remove unsed bio_sector
Diffstat (limited to 'drivers/md/raid10.c')
| -rw-r--r-- | drivers/md/raid10.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 37d4b236b81b..1147ae59e3b6 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -255,9 +255,11 @@ static void r10buf_pool_free(void *__r10_bio, void *data) for (j = conf->copies; j--; ) { struct bio *bio = r10bio->devs[j].bio; - rp = get_resync_pages(bio); - resync_free_pages(rp); - bio_put(bio); + if (bio) { + rp = get_resync_pages(bio); + resync_free_pages(rp); + bio_put(bio); + } bio = r10bio->devs[j].repl_bio; if (bio) @@ -2362,7 +2364,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10 { int sect = 0; /* Offset from r10_bio->sector */ int sectors = r10_bio->sectors; - struct md_rdev*rdev; + struct md_rdev *rdev; int max_read_errors = atomic_read(&mddev->max_corr_read_errors); int d = r10_bio->devs[r10_bio->read_slot].devnum; |