diff options
| author | Graf Yang <graf.yang@analog.com> | 2009-04-20 09:20:58 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-06-12 06:03:45 -0400 |
| commit | 4b402e3a54a46505692ec8215231e2ede46a4aeb (patch) | |
| tree | cd13adc01994653e496fd848fb0c150613d056f1 /arch/blackfin/mm | |
| parent | 5d89137a17ca804ee60077f5d4ad8d7ca60f0614 (diff) | |
| download | lwn-4b402e3a54a46505692ec8215231e2ede46a4aeb.tar.gz lwn-4b402e3a54a46505692ec8215231e2ede46a4aeb.zip | |
Blackfin: fix bug found by traps test case 21
The traps test case 21 "exception 0x3f: l1_instruction_access" would make
the kernel panic on BF533's because we end up calling show_stack()
infinitely.
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/mm')
| -rw-r--r-- | arch/blackfin/mm/isram-driver.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/blackfin/mm/isram-driver.c b/arch/blackfin/mm/isram-driver.c index 22913e7a1818..c080e70f98b0 100644 --- a/arch/blackfin/mm/isram-driver.c +++ b/arch/blackfin/mm/isram-driver.c @@ -125,7 +125,7 @@ static bool isram_check_addr(const void *addr, size_t n) { if ((addr >= (void *)L1_CODE_START) && (addr < (void *)(L1_CODE_START + L1_CODE_LENGTH))) { - if ((addr + n) >= (void *)(L1_CODE_START + L1_CODE_LENGTH)) { + if ((addr + n) > (void *)(L1_CODE_START + L1_CODE_LENGTH)) { show_stack(NULL, NULL); printk(KERN_ERR "isram_memcpy: copy involving %p length " "(%zu) too long\n", addr, n); |