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| author | Mark Brown <broonie@kernel.org> | 2014-11-26 20:39:02 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2014-11-26 20:39:02 +0000 |
| commit | 75ff9420448e7bb30ab8265463595e794ce0c3aa (patch) | |
| tree | ea00f0cff2f6a272d60a518eb6dde6e14263b5b7 /drivers/tty/vt/consolemap.c | |
| parent | 4524df83c7fc4f44702099a2db7b3cc938eb111f (diff) | |
| parent | 206c5f60a3d902bc4b56dab2de3e88de5eb06108 (diff) | |
Merge tag 'v3.18-rc4' into regulator-max77686
Linux 3.18-rc4
Diffstat (limited to 'drivers/tty/vt/consolemap.c')
| -rw-r--r-- | drivers/tty/vt/consolemap.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c index 610b720d3b91..59b25e039968 100644 --- a/drivers/tty/vt/consolemap.c +++ b/drivers/tty/vt/consolemap.c @@ -539,6 +539,12 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list) /* Save original vc_unipagdir_loc in case we allocate a new one */ p = *vc->vc_uni_pagedir_loc; + + if (!p) { + err = -EINVAL; + + goto out_unlock; + } if (p->refcount > 1) { int j, k; @@ -623,6 +629,7 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list) set_inverse_transl(vc, p, i); /* Update inverse translations */ set_inverse_trans_unicode(vc, p); +out_unlock: console_unlock(); return err; } |