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authorPascal Quantin <pascal.quantin@gmail.com>2016-02-22 17:53:13 +0200
committerAlexis La Goutte <alexis.lagoutte@gmail.com>2016-02-22 19:48:56 +0000
commit13332353607ac00158bc36ab08e7442c9722ef24 (patch)
tree2f55c2e4c6b90a43aaf8ec9e5b0835f7da9fa6d9 /caputils/capture-wpcap.c
parent97de3b3cd75da5fb27dc0314165861c5ee0c227e (diff)
caputils: fix crash when calling 'dumpcap -i' without having WinPcap installed
Add a test on err_str buffer presence before trying to use it, like what is done in other code paths. Bug: 12143 Change-Id: I30ae49a33224dc190c202637767df9d7de2c0f2b Reviewed-on: https://code.wireshark.org/review/14074 Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com> Petri-Dish: Pascal Quantin <pascal.quantin@gmail.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Diffstat (limited to 'caputils/capture-wpcap.c')
-rw-r--r--caputils/capture-wpcap.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/caputils/capture-wpcap.c b/caputils/capture-wpcap.c
index 50e8a06..5094375 100644
--- a/caputils/capture-wpcap.c
+++ b/caputils/capture-wpcap.c
@@ -813,7 +813,8 @@ get_interface_list(int *err, char **err_str)
* interfaces.
*/
*err = DONT_HAVE_PCAP;
- *err_str = cant_load_winpcap_err("you");
+ if (err_str != NULL)
+ *err_str = cant_load_winpcap_err("you");
return NULL;
}