From: From: Tuomas Tynkkynen Date: Mon, 5 May 2014 07:30:20 +0000 (+1000) Subject: xfs: Fix wrong error codes being returned X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b28fd7b5fe232d7643d7c0595938e998ceb58508;p=linux-beck.git xfs: Fix wrong error codes being returned xfs_{compat_,}attrmulti_by_handle could return an errno with incorrect sign in some cases. While at it, make sure ENOMEM is returned instead of E2BIG if kmalloc fails. Signed-off-by: Tuomas Tynkkynen Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 0b18776b075e..2d8f4fdf07f9 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -543,10 +543,11 @@ xfs_attrmulti_by_handle( ops = memdup_user(am_hreq.ops, size); if (IS_ERR(ops)) { - error = PTR_ERR(ops); + error = -PTR_ERR(ops); goto out_dput; } + error = ENOMEM; attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL); if (!attr_name) goto out_kfree_ops; @@ -556,7 +557,7 @@ xfs_attrmulti_by_handle( ops[i].am_error = strncpy_from_user((char *)attr_name, ops[i].am_attrname, MAXNAMELEN); if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN) - error = -ERANGE; + error = ERANGE; if (ops[i].am_error < 0) break; diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c index a7992f8de9d3..944d5baa710a 100644 --- a/fs/xfs/xfs_ioctl32.c +++ b/fs/xfs/xfs_ioctl32.c @@ -424,10 +424,11 @@ xfs_compat_attrmulti_by_handle( ops = memdup_user(compat_ptr(am_hreq.ops), size); if (IS_ERR(ops)) { - error = PTR_ERR(ops); + error = -PTR_ERR(ops); goto out_dput; } + error = ENOMEM; attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL); if (!attr_name) goto out_kfree_ops; @@ -438,7 +439,7 @@ xfs_compat_attrmulti_by_handle( compat_ptr(ops[i].am_attrname), MAXNAMELEN); if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN) - error = -ERANGE; + error = ERANGE; if (ops[i].am_error < 0) break;