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A single GPIO fix:

Browse Source 
Free the last used descriptor, an off by one error.
 This is tagged for stable as well.
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Merge tag 'gpio-v4.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Linus writes:
  "A single GPIO fix:
   Free the last used descriptor, an off by one error.
   This is tagged for stable as well."

* tag 'gpio-v4.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpiolib: Free the last requested descriptor
This commit is contained in:
Greg Kroah-Hartman 2018-10-05 16:09:11 -07:00
commit 3830711f3e
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/gpiolib.c
View File

@ -571,7 +571,7 @@ static int linehandle_create(struct gpio_device *gdev, void __user *ip)
if (ret) if (ret)
goto out_free_descs; goto out_free_descs;
lh->descs[i] = desc; lh->descs[i] = desc;
count = i; count = i + 1;
if (lflags & GPIOHANDLE_REQUEST_ACTIVE_LOW) if (lflags & GPIOHANDLE_REQUEST_ACTIVE_LOW)
set_bit(FLAG_ACTIVE_LOW, &desc->flags); set_bit(FLAG_ACTIVE_LOW, &desc->flags);