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![]() Error handling code following a kmalloc or kzalloc should free the allocated data. The semantic match that finds the 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> |
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camera | ||
qdsp5 | ||
smd | ||
gpio_axis.c | ||
gpio_event.c | ||
gpio_input.c | ||
gpio_matrix.c | ||
gpio_output.c | ||
Kconfig | ||
Makefile | ||
synaptics_i2c_rmi.c | ||
synaptics_i2c_rmi.h |