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| author |   Aditya Pakki <pakki001@umn.edu> | 2019-04-01 17:46:57 +0200 |
|---|---|---|
| committer |   Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2019-04-01 17:46:57 +0200 |
| commit | 31fa6e2ae65feed0de10823c5d1eea21a93086c9 (patch) | |
| tree | ac5fae2abc5443664c42fb59b3ab8f77272ca6fc /drivers/video | |
| parent | xen, fbfront: mark expected switch fall-through (diff) | |
| download | linux-dev-31fa6e2ae65feed0de10823c5d1eea21a93086c9.tar.xz linux-dev-31fa6e2ae65feed0de10823c5d1eea21a93086c9.zip | |
omapfb: Fix potential NULL pointer dereference in kmalloc
Memory allocated, using kmalloc, for new_compat may fail. This patch
checks for such an error and prevents potential NULL pointer
dereference.
Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Cc: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c b/drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c index cb6acbac9c47..5da7ed6d653e 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c @@ -111,6 +111,8 @@ static void __init omapdss_omapify_node(struct device_node *node) new_len = prop->length + strlen(prefix) * num_strs; new_compat = kmalloc(new_len, GFP_KERNEL); + if (!new_compat) + return; omapdss_prefix_strcpy(new_compat, new_len, prop->value, prop->length); |