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| author | Saurabh Sengar <saurabh.truth@gmail.com> | 2016-01-24 07:54:06 +0100 |
|---|---|---|
| committer | Scott Wood <oss@buserror.net> | 2016-03-09 17:44:13 +0100 |
| commit | 66923a60ad80a963c0cd5ceecba9ba377cefba47 (patch) | |
| tree | 5e0ef713ee73aa660d38ef50013c1fa9a65fc65b /drivers/soc/fsl/qe | |
| parent | qe: Make cpm_muram_alloc_common static (diff) | |
| download | linux-66923a60ad80a963c0cd5ceecba9ba377cefba47.tar.xz linux-66923a60ad80a963c0cd5ceecba9ba377cefba47.zip | |
qe: Use GFP_ATOMIC while spin_lock_irqsave is held
cpm_muram_alloc_common is called twice and both the times
spin_lock_irqsave is held.
Using GFP_KERNEL can sleep in spin_lock_irqsave context and cause
deadlock
Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>
Diffstat (limited to 'drivers/soc/fsl/qe')
| -rw-r--r-- | drivers/soc/fsl/qe/qe_common.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/soc/fsl/qe/qe_common.c b/drivers/soc/fsl/qe/qe_common.c index e18159acfe45..41eff805a904 100644 --- a/drivers/soc/fsl/qe/qe_common.c +++ b/drivers/soc/fsl/qe/qe_common.c @@ -121,7 +121,7 @@ static unsigned long cpm_muram_alloc_common(unsigned long size, goto out2; start = start - GENPOOL_OFFSET; memset_io(cpm_muram_addr(start), 0, size); - entry = kmalloc(sizeof(*entry), GFP_KERNEL); + entry = kmalloc(sizeof(*entry), GFP_ATOMIC); if (!entry) goto out1; entry->start = start; |