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a51faabc66
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> Cc: Joseph Chan <JosephChan@via.com.tw> Cc: Scott Fang <ScottFang@viatech.com.cn> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| .. | ||
| accel.c | ||
| accel.h | ||
| chip.h | ||
| debug.h | ||
| dvi.c | ||
| dvi.h | ||
| global.c | ||
| global.h | ||
| hw.c | ||
| hw.h | ||
| ioctl.c | ||
| ioctl.h | ||
| lcd.c | ||
| lcd.h | ||
| lcdtbl.h | ||
| Makefile | ||
| share.h | ||
| tbl1636.c | ||
| tbl1636.h | ||
| tblDPASetting.c | ||
| tblDPASetting.h | ||
| via_i2c.c | ||
| via_modesetting.c | ||
| via_modesetting.h | ||
| via_utility.c | ||
| via_utility.h | ||
| via-core.c | ||
| via-gpio.c | ||
| viafbdev.c | ||
| viafbdev.h | ||
| viamode.c | ||
| viamode.h | ||
| vt1636.c | ||
| vt1636.h | ||