Message ID | 1635911831-38364-1-git-send-email-yongjianxiao@yeah.net |
---|---|
State | Deferred |
Delegated to: | Richard Weinberger |
Headers | show |
Series | Fixed a crash caused by CONFIG_JFFS2_FS_WBUF_VERIFY not allocating memory to Wbuf_Verify under UBI. | expand |
diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c index c6821a50..59d6169 100644 --- a/fs/jffs2/wbuf.c +++ b/fs/jffs2/wbuf.c @@ -1342,9 +1342,19 @@ int jffs2_ubivol_setup(struct jffs2_sb_info *c) { pr_info("write-buffering enabled buffer (%d) erasesize (%d)\n", c->wbuf_pagesize, c->sector_size); +#ifdef CONFIG_JFFS2_FS_WBUF_VERIFY + c->wbuf_verify = kmalloc(c->wbuf_pagesize, GFP_KERNEL); + if (!c->wbuf_verify) { + kfree(c->wbuf); + return -ENOMEM; + } +#endif return 0; } void jffs2_ubivol_cleanup(struct jffs2_sb_info *c) { +#ifdef CONFIG_JFFS2_FS_WBUF_VERIFY + kfree(c->wbuf_verify); +#endif kfree(c->wbuf); }
Signed-off-by: YongjianXion <yongjianxiao@yeah.net> --- fs/jffs2/wbuf.c | 10 ++++++++++ 1 file changed, 10 insertions(+)