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staging: gasket: Remove stale pointers on error allocating attr array

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If gasket_sysfs_create_mapping() hits errors allocating the attribute
array, remove stale pointers to device info from the mapping object.

Signed-off-by: Zhongze Hu <frankhu@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Todd Poynor 2018-07-17 13:56:48 -07:00 • committed by Greg Kroah-Hartman
commit 03c25b3ad0
1 changed files with 2 additions and 0 deletions
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2
drivers/staging/gasket/gasket_sysfs.c
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@ -225,6 +225,8 @@ int gasket_sysfs_create_mapping(
mapping->attribute_count = 0;
if (!mapping->attributes) {
gasket_nodev_error("Unable to allocate sysfs attribute array.");
mapping->device = NULL;
mapping->gasket_dev = NULL;
mutex_unlock(&mapping->mutex);
mutex_unlock(&function_mutex);
return -ENOMEM;