!x is more normal for kzalloc failure in the kernel. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression x; statement S1, S2; @@ x = kzalloc(...); if ( - x == NULL + !x ) S1 else S2 // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx> --- drivers/staging/lustre/lustre/osc/osc_dev.c | 2 +- drivers/staging/lustre/lustre/osc/osc_request.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff -u -p a/drivers/staging/lustre/lustre/osc/osc_request.c b/drivers/staging/lustre/lustre/osc/osc_request.c --- a/drivers/staging/lustre/lustre/osc/osc_request.c +++ b/drivers/staging/lustre/lustre/osc/osc_request.c @@ -119,7 +119,7 @@ static int osc_packmd(struct obd_export if (*lmmp == NULL) { *lmmp = kzalloc(lmm_size, GFP_NOFS); - if (*lmmp == NULL) + if (!*lmmp) return -ENOMEM; } @@ -1909,7 +1909,7 @@ int osc_build_rpc(const struct lu_env *e mpflag = cfs_memory_pressure_get_and_set(); crattr = kzalloc(sizeof(*crattr), GFP_NOFS); - if (crattr == NULL) { + if (!crattr) { rc = -ENOMEM; goto out; } diff -u -p a/drivers/staging/lustre/lustre/osc/osc_dev.c b/drivers/staging/lustre/lustre/osc/osc_dev.c --- a/drivers/staging/lustre/lustre/osc/osc_dev.c +++ b/drivers/staging/lustre/lustre/osc/osc_dev.c @@ -218,7 +218,7 @@ static struct lu_device *osc_device_allo int rc; od = kzalloc(sizeof(*od), GFP_NOFS); - if (od == NULL) + if (!od) return ERR_PTR(-ENOMEM); cl_device_init(&od->od_cl, t); _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel