leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

f_fastboot: Avoid use-after-free in the global pointer variable

Browse Source 
In case of usb_add_function() failure the error path has an issue,
i.e the global pointer variable is assigned to garbage

Fix the above mentioned issue by assigning pointer to NULL.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Andy Shevchenko 2020-12-03 17:32:05 +02:00 committed by Marek Vasut
parent ff52577c1b
commit 6ffc8e2993
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/usb/gadget/f_fastboot.c
View File

@ -315,7 +315,7 @@ static int fastboot_add(struct usb_configuration *c)
status = usb_add_function(c, &f_fb->usb_function);
if (status) {
free(f_fb);
fastboot_func = f_fb;
fastboot_func = NULL;
}
return status;