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| author | Jiri Kosina <jkosina@suse.cz> | 2010-04-23 04:08:44 +0400 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2010-04-23 04:08:44 +0400 |
| commit | 6c9468e9eb1252eaefd94ce7f06e1be9b0b641b1 (patch) | |
| tree | 797676a336b050bfa1ef879377c07e541b9075d6 /arch/blackfin/mm/isram-driver.c | |
| parent | 4cb3ca7cd7e2cae8d1daf5345ec99a1e8502cf3f (diff) | |
| parent | c81eddb0e3728661d1585fbc564449c94165cc36 (diff) | |
| download | linux-6c9468e9eb1252eaefd94ce7f06e1be9b0b641b1.tar.xz | |
Merge branch 'master' into for-next
Diffstat (limited to 'arch/blackfin/mm/isram-driver.c')
| -rw-r--r-- | arch/blackfin/mm/isram-driver.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/blackfin/mm/isram-driver.c b/arch/blackfin/mm/isram-driver.c index 84cdc5a1c139..39b058564f62 100644 --- a/arch/blackfin/mm/isram-driver.c +++ b/arch/blackfin/mm/isram-driver.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/types.h> +#include <linux/slab.h> #include <linux/spinlock.h> #include <linux/sched.h> @@ -62,7 +63,7 @@ static void isram_write(const void *addr, uint64_t data) uint32_t cmd; unsigned long flags; - if (addr >= (void *)(L1_CODE_START + L1_CODE_LENGTH)) + if (unlikely(addr >= (void *)(L1_CODE_START + L1_CODE_LENGTH))) return; cmd = IADDR2DTEST(addr) | 2; /* write */ @@ -93,7 +94,7 @@ static uint64_t isram_read(const void *addr) unsigned long flags; uint64_t ret; - if (addr > (void *)(L1_CODE_START + L1_CODE_LENGTH)) + if (unlikely(addr > (void *)(L1_CODE_START + L1_CODE_LENGTH))) return 0; cmd = IADDR2DTEST(addr) | 0; /* read */ @@ -120,7 +121,7 @@ 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 (unlikely((addr + n) > (void *)(L1_CODE_START + L1_CODE_LENGTH))) { show_stack(NULL, NULL); pr_err("copy involving %p length (%zu) too long\n", addr, n); } |