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(parent: e8efa9b) | patch
md-cluster: Fix potential error pointer dereference in resize_bitmaps()
authorDan Carpenter <dan.carpenter@oracle.com>
Tue, 4 Aug 2020 10:16:45 +0000 (13:16 +0300)
committerSong Liu <songliubraving@fb.com>
Thu, 6 Aug 2020 00:07:48 +0000 (17:07 -0700)
commite8abe1de43dac658dacbd04a4543e0c988a8d386
tree8a04e1f65a11776c31c4168027ace095a8bf48b4tree | snapshot
parente8efa9b88e3c20a20ff34bb33e2e94bf6896016acommit | diff
md-cluster: Fix potential error pointer dereference in resize_bitmaps()

The error handling calls md_bitmap_free(bitmap) which checks for NULL
but will Oops if we pass an error pointer.  Let's set "bitmap" to NULL
on this error path.

Fixes: afd756286083 ("md-cluster/raid10: resize all the bitmaps before start reshape")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
drivers/md/md-cluster.c diff | blob | history
Domain: System / Kernel;