![]() Use memdup_user when user data is immediately copied into the allocated region. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression from,to,size,flag; position p; identifier l1,l2; @@ - to = \(kmalloc@p\|kzalloc@p\)(size,flag); + to = memdup_user(from,size); if ( - to==NULL + IS_ERR(to) || ...) { <+... when != goto l1; - -ENOMEM + PTR_ERR(to) ...+> } - if (copy_from_user(to, from, size) != 0) { - <+... when != goto l2; - -EFAULT - ...+> - } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net> |
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.. | ||
lmc | ||
.gitignore | ||
c101.c | ||
cosa.c | ||
cosa.h | ||
cycx_drv.c | ||
cycx_main.c | ||
cycx_x25.c | ||
dlci.c | ||
dscc4.c | ||
farsync.c | ||
farsync.h | ||
hd64570.c | ||
hd64570.h | ||
hd64572.c | ||
hd64572.h | ||
hdlc.c | ||
hdlc_cisco.c | ||
hdlc_fr.c | ||
hdlc_ppp.c | ||
hdlc_raw.c | ||
hdlc_raw_eth.c | ||
hdlc_x25.c | ||
hostess_sv11.c | ||
ixp4xx_hss.c | ||
Kconfig | ||
lapbether.c | ||
Makefile | ||
n2.c | ||
pc300-falc-lh.h | ||
pc300.h | ||
pc300_drv.c | ||
pc300_tty.c | ||
pc300too.c | ||
pci200syn.c | ||
sbni.c | ||
sbni.h | ||
sdla.c | ||
sealevel.c | ||
wanxl.c | ||
wanxl.h | ||
wanxlfw.inc_shipped | ||
wanxlfw.S | ||
x25_asy.c | ||
x25_asy.h | ||
z85230.c | ||
z85230.h |