mirror of
https://github.com/torvalds/linux
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e281cf8966
Error handling code following a kzalloc should free the allocated data. Similarly for usb-alloc urb. The semantic match that finds the first problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; statement S; expression E; identifier f,f1,l; position p1,p2; expression *ptr != NULL; @@ x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...); ... if (x == NULL) S <... when != x when != if (...) { <+...x...+> } ( x->f1 = E | (x->f1 == NULL || ...) | f(...,x->f1,...) ) ...> ( return \(0\|<+...x...+>\|ptr\); | return@p2 ...; ) @script:python@ p1 << r.p1; p2 << r.p2; @@ print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Cc: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> |
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| asus_oled | ||
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| echo | ||
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| frontier | ||
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| iio | ||
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| panel | ||
| phison | ||
| poch | ||
| pohmelfs | ||
| quatech_usb2 | ||
| ramzswap | ||
| rar | ||
| rt2860 | ||
| rt2870 | ||
| rt3070 | ||
| rt3090 | ||
| rtl8187se | ||
| rtl8192e | ||
| rtl8192su | ||
| rtl8192u | ||
| samsung-laptop | ||
| sep | ||
| serqt_usb2 | ||
| slicoss | ||
| sm7xx | ||
| strip | ||
| udlfb | ||
| usbip | ||
| vme | ||
| vt6655 | ||
| vt6656 | ||
| wavelan | ||
| winbond | ||
| wlags49_h2 | ||
| wlags49_h25 | ||
| wlan-ng | ||
| Kconfig | ||
| Makefile | ||
| staging.c | ||