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69d3973af1
gcc-7.0.1 warns about old code in ttpci:
In file included from drivers/media/pci/ttpci/av7110.c:63:0:
In function 'irdebi.isra.2',
inlined from 'start_debi_dma' at drivers/media/pci/ttpci/av7110.c:376:3,
inlined from 'gpioirq' at drivers/media/pci/ttpci/av7110.c:659:3:
drivers/media/pci/ttpci/av7110_hw.h:406:3: warning: 'memcpy': specified size between 18446744071562067968 and 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
memcpy(av7110->debi_virt, (char *) &res, count);
In function 'irdebi.isra.2',
inlined from 'start_debi_dma' at drivers/media/pci/ttpci/av7110.c:376:3,
inlined from 'gpioirq' at drivers/media/pci/ttpci/av7110.c:668:3:
drivers/media/pci/ttpci/av7110_hw.h:406:3: warning: 'memcpy': specified size between 18446744071562067968 and 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
memcpy(av7110->debi_virt, (char *) &res, count);
Apparently, 'count' can be negative here, which will then get turned
into a giant size argument for memcpy. Changing the sizes to 'unsigned
int' instead seems safe as we already check for maximum sizes, and it
also simplifies the code a bit.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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| .. | ||
| b2c2 | ||
| bt8xx | ||
| cobalt | ||
| cx18 | ||
| cx88 | ||
| cx23885 | ||
| cx25821 | ||
| ddbridge | ||
| dm1105 | ||
| dt3155 | ||
| ivtv | ||
| mantis | ||
| meye | ||
| netup_unidvb | ||
| ngene | ||
| pluto2 | ||
| pt1 | ||
| pt3 | ||
| saa7134 | ||
| saa7146 | ||
| saa7164 | ||
| smipcie | ||
| solo6x10 | ||
| sta2x11 | ||
| ttpci | ||
| tw68 | ||
| tw686x | ||
| tw5864 | ||
| zoran | ||
| Kconfig | ||
| Makefile | ||