dri-devel Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: Matt Roper <matthew.d.roper@intel.com>
To: dri-devel@lists.freedesktop.org
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Subject: [PATCH libdrm 1/2] xf86drm: Fix error handling for drmGetDevice()
Date: Fri, 16 Oct 2015 15:11:23 -0700	[thread overview]
Message-ID: <1445033484-21089-1-git-send-email-matthew.d.roper@intel.com> (raw)

Some of the error conditions in drmGetDevice() can lead to us calling
closedir(NULL) or leaking memory.  Fix these conditions the same way we
did for drmGetDevices() in commit:

        commit 8c4a1cbd98bd8d185d489395f33302a17db643a9
        Author: Matt Roper <matthew.d.roper@intel.com>
        Date:   Wed Sep 30 09:30:51 2015 -0700

            xf86drm: Fix error handling for drmGetDevices()

Cc: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
---
 xf86drm.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/xf86drm.c b/xf86drm.c
index a29db42..951edbb 100644
--- a/xf86drm.c
+++ b/xf86drm.c
@@ -3108,7 +3108,7 @@ int drmGetDevice(int fd, drmDevicePtr *device)
     sysdir = opendir(DRM_DIR_NAME);
     if (!sysdir) {
         ret = -errno;
-        goto close_sysdir;
+        goto free_locals;
     }
 
     i = 0;
@@ -3165,16 +3165,16 @@ int drmGetDevice(int fd, drmDevicePtr *device)
     for (i = 1; i < node_count && local_devices[i]; i++)
             drmFreeDevice(&local_devices[i]);
 
-    free(local_devices);
     closedir(sysdir);
+    free(local_devices);
     return 0;
 
 free_devices:
     drmFreeDevices(local_devices, i);
-    free(local_devices);
-
-close_sysdir:
     closedir(sysdir);
+
+free_locals:
+    free(local_devices);
     return ret;
 }
 
-- 
2.1.4

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/dri-devel

             reply	other threads:[~2015-10-16 22:11 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-16 22:11 Matt Roper [this message]
2015-10-16 22:11 ` [PATCH libdrm 2/2] xf86drm: Handle unrecognized subsystems safely in drmGetDevice[s]() Matt Roper
2015-10-16 22:14   ` Alex Deucher
2015-10-16 22:27   ` Emil Velikov
2015-10-16 22:31     ` Matt Roper
2015-10-20 17:50       ` Emil Velikov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1445033484-21089-1-git-send-email-matthew.d.roper@intel.com \
    --to=matthew.d.roper@intel.com \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=emil.l.velikov@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox