Revision 33844e665104b169a3a7732bdcddb40e4f82b335 authored by Al Viro on 22 December 2016, 02:55:02 UTC, committed by Al Viro on 23 December 2016, 04:00:22 UTC
Problem similar to ones dealt with in "fold checks into iterate_and_advance()" and followups, except that in this case we really want to do nothing when asked for zero-length operation - unlike zero-length iterate_and_advance(), zero-length iterate_all_kinds() has no side effects, and callers are simpler that way. That got exposed when copy_from_iter_full() had been used by tipc, which builds an msghdr with zero payload and (now) feeds it to a primitive based on iterate_all_kinds() instead of iterate_and_advance(). Reported-by: Jon Maloy <jon.maloy@ericsson.com> Tested-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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File | Mode | Size |
---|---|---|
Kconfig | -rw-r--r-- | 13.1 KB |
Makefile | -rw-r--r-- | 2.0 KB |
core.c | -rw-r--r-- | 23.7 KB |
pwm-ab8500.c | -rw-r--r-- | 3.3 KB |
pwm-atmel-hlcdc.c | -rw-r--r-- | 7.7 KB |
pwm-atmel-tcb.c | -rw-r--r-- | 11.7 KB |
pwm-atmel.c | -rw-r--r-- | 10.7 KB |
pwm-bcm-iproc.c | -rw-r--r-- | 7.5 KB |
pwm-bcm-kona.c | -rw-r--r-- | 9.5 KB |
pwm-bcm2835.c | -rw-r--r-- | 5.0 KB |
pwm-berlin.c | -rw-r--r-- | 7.3 KB |
pwm-bfin.c | -rw-r--r-- | 3.1 KB |
pwm-brcmstb.c | -rw-r--r-- | 8.3 KB |
pwm-clps711x.c | -rw-r--r-- | 4.3 KB |
pwm-crc.c | -rw-r--r-- | 3.6 KB |
pwm-cros-ec.c | -rw-r--r-- | 6.0 KB |
pwm-ep93xx.c | -rw-r--r-- | 5.8 KB |
pwm-fsl-ftm.c | -rw-r--r-- | 12.2 KB |
pwm-hibvt.c | -rw-r--r-- | 7.2 KB |
pwm-img.c | -rw-r--r-- | 8.0 KB |
pwm-imx.c | -rw-r--r-- | 8.6 KB |
pwm-jz4740.c | -rw-r--r-- | 4.8 KB |
pwm-lp3943.c | -rw-r--r-- | 7.5 KB |
pwm-lpc18xx-sct.c | -rw-r--r-- | 13.6 KB |
pwm-lpc32xx.c | -rw-r--r-- | 4.4 KB |
pwm-lpss-pci.c | -rw-r--r-- | 2.5 KB |
pwm-lpss-platform.c | -rw-r--r-- | 1.9 KB |
pwm-lpss.c | -rw-r--r-- | 5.0 KB |
pwm-lpss.h | -rw-r--r-- | 937 bytes |
pwm-meson.c | -rw-r--r-- | 13.4 KB |
pwm-mtk-disp.c | -rw-r--r-- | 7.2 KB |
pwm-mxs.c | -rw-r--r-- | 4.7 KB |
pwm-omap-dmtimer.c | -rw-r--r-- | 10.3 KB |
pwm-pca9685.c | -rw-r--r-- | 9.8 KB |
pwm-puv3.c | -rw-r--r-- | 3.5 KB |
pwm-pxa.c | -rw-r--r-- | 5.5 KB |
pwm-rcar.c | -rw-r--r-- | 6.6 KB |
pwm-renesas-tpu.c | -rw-r--r-- | 11.9 KB |
pwm-rockchip.c | -rw-r--r-- | 9.6 KB |
pwm-samsung.c | -rw-r--r-- | 16.9 KB |
pwm-spear.c | -rw-r--r-- | 6.5 KB |
pwm-sti.c | -rw-r--r-- | 16.6 KB |
pwm-stmpe.c | -rw-r--r-- | 7.2 KB |
pwm-sun4i.c | -rw-r--r-- | 9.2 KB |
pwm-tegra.c | -rw-r--r-- | 6.6 KB |
pwm-tiecap.c | -rw-r--r-- | 8.1 KB |
pwm-tiehrpwm.c | -rw-r--r-- | 15.7 KB |
pwm-tipwmss.c | -rw-r--r-- | 1.6 KB |
pwm-twl-led.c | -rw-r--r-- | 8.6 KB |
pwm-twl.c | -rw-r--r-- | 9.4 KB |
pwm-vt8500.c | -rw-r--r-- | 6.8 KB |
sysfs.c | -rw-r--r-- | 9.4 KB |
Computing file changes ...