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Commit 4e318d7c authored by Andi Kleen's avatar Andi Kleen Committed by Greg Kroah-Hartman
Browse files

sysfs: Fix return values for sysdev_store_{ulong,int} 



SYSFS: Fix return values for sysdev_store_{ulong,int}

Always return the full size instead of the consumed
length of the string in sysdev_store_{ulong,int}

This avoids EINVAL errors in some echo versions.

Signed-off-by: default avatarAndi Kleen <ak@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 65151365

drivers/base/sys.c

+4 −2
Original line number Diff line number Diff line
@@ -488,7 +488,8 @@ ssize_t sysdev_store_ulong(struct sys_device *sysdev, 
	if (end == buf)

		return -EINVAL;

	*(unsigned long *)(ea->var) = new;

	return end - buf;

	/* Always return full write size even if we didn't consume all */

	return size;

}

EXPORT_SYMBOL_GPL(sysdev_store_ulong);
@@ -511,7 +512,8 @@ ssize_t sysdev_store_int(struct sys_device *sysdev, 
	if (end == buf || new > INT_MAX || new < INT_MIN)

		return -EINVAL;

	*(int *)(ea->var) = new;

	return end - buf;

	/* Always return full write size even if we didn't consume all */

	return size;

}

EXPORT_SYMBOL_GPL(sysdev_store_int);