diff mbox

i915: fix error path leak in intel_sdvo_write_cmd

Message ID 20120725125103.28970.25050.stgit@localhost.localdomain (mailing list archive)
State New, archived
Headers show

Commit Message

Alan Cox July 25, 2012, 12:51 p.m. UTC 
From: Alan Cox <alan@linux.intel.com>

Signed-off-by: Alan Cox <alan@linux.intel.com>
---

 drivers/gpu/drm/i915/intel_sdvo.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 26a6a4d..d172e98 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -444,13 +444,16 @@  static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
 	struct i2c_msg *msgs;
 	int i, ret = true;
 
+        /* Would be simpler to allocate both in one go ? */        
 	buf = (u8 *)kzalloc(args_len * 2 + 2, GFP_KERNEL);
 	if (!buf)
 		return false;
 
 	msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL);
-	if (!msgs)
+	if (!msgs) {
+	        kfree(buf);
 		return false;
+        }
 
 	intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);