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2ed0426bd1
commit 92792e48e2ae6051af30468a87994b5432da2f06 upstream.
Recent gcc versions warn about reading from a negative offset of
an on-stack array:
drivers/remoteproc/remoteproc_debugfs.c: In function 'rproc_recovery_write':
drivers/remoteproc/remoteproc_debugfs.c:167:9: warning: 'buf[4294967295u]' may be used uninitialized in this function [-Wmaybe-uninitialized]
I don't see anything in sys_write() that prevents us from
being called with a zero 'count' argument, so we should
add an extra check in rproc_recovery_write() to prevent the
access and avoid the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes:
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.. | ||
da8xx_remoteproc.c | ||
Kconfig | ||
Makefile | ||
omap_remoteproc.c | ||
omap_remoteproc.h | ||
remoteproc_core.c | ||
remoteproc_debugfs.c | ||
remoteproc_elf_loader.c | ||
remoteproc_internal.h | ||
remoteproc_virtio.c | ||
ste_modem_rproc.c |